agenttesla | 39fe44328453edb4688201f0d3c6c0d07baa65d92ee1c5e0ad496bc71d1b0c9b

General

Target

39fe44328453edb4688201f0d3c6c0d07baa65d92ee1c5e0ad496bc71d1b0c9b.exe
Size

670KB
MD5

41373fb609440bc4177a1db81e594b69
SHA1

d67b37e144112e75cea9aa32f3c29775c8cfe045
SHA256

39fe44328453edb4688201f0d3c6c0d07baa65d92ee1c5e0ad496bc71d1b0c9b
SHA512

bc7305c0375cb972ad151c4320704fef47c6f266d692ba44ce278e12e07b06030a0aa42593d5e68f2ce9ecb112543417eab883c9e0787b7cb17a415b4899313b
SSDEEP

12288:CCguti8LkpEatDtW4uBiCv4CFXuOkq9b6O9P7Q0NRUONkR:Fj4jEiWliCwwu8oYP7Q0NRUn

Score

10^/10

agenttesla execution keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.shaktiinstrumentations.in
Port:
587
Username:
[email protected]
Password:
Shakti54231!@#$%#@!
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla

Detect packed .NET executables. Mostly AgentTeslaV4. 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2572-29-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2572-28-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2572-27-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2572-24-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2572-22-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2572-29-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2572-28-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2572-27-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2572-24-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2572-22-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects executables referencing Windows vault credential objects. Observed in infostealers 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2572-29-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2572-28-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2572-27-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2572-24-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2572-22-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID

Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2572-29-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2572-28-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2572-27-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2572-24-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2572-22-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

Detects executables referencing many email and collaboration clients. Observed in information stealers 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2572-29-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2572-28-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2572-27-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2572-24-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2572-22-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

Detects executables referencing many file transfer clients. Observed in information stealers 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2572-29-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2572-28-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2572-27-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2572-24-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2572-22-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
execution

PowerShell
T1059.001

Processes:

powershell.exepowershell.exe

pid process

2788 powershell.exe
2732 powershell.exe

pid	process
2788	powershell.exe
2732	powershell.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

RegSvcs.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Windows\CurrentVersion\Run\boqXv = "C:\\Users\\Admin\\AppData\\Roaming\\boqXv\\boqXv.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

39fe44328453edb4688201f0d3c6c0d07baa65d92ee1c5e0ad496bc71d1b0c9b.exe

description	pid	process	target process
PID 2416 set thread context of 2572	2416	39fe44328453edb4688201f0d3c6c0d07baa65d92ee1c5e0ad496bc71d1b0c9b.exe	RegSvcs.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exe

pid process

2300 schtasks.exe

pid	process
2300	schtasks.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

Processes:

39fe44328453edb4688201f0d3c6c0d07baa65d92ee1c5e0ad496bc71d1b0c9b.exepowershell.exeRegSvcs.exepowershell.exe

pid	process
2416	39fe44328453edb4688201f0d3c6c0d07baa65d92ee1c5e0ad496bc71d1b0c9b.exe
2416	39fe44328453edb4688201f0d3c6c0d07baa65d92ee1c5e0ad496bc71d1b0c9b.exe
2416	39fe44328453edb4688201f0d3c6c0d07baa65d92ee1c5e0ad496bc71d1b0c9b.exe
2416	39fe44328453edb4688201f0d3c6c0d07baa65d92ee1c5e0ad496bc71d1b0c9b.exe
2416	39fe44328453edb4688201f0d3c6c0d07baa65d92ee1c5e0ad496bc71d1b0c9b.exe
2416	39fe44328453edb4688201f0d3c6c0d07baa65d92ee1c5e0ad496bc71d1b0c9b.exe
2416	39fe44328453edb4688201f0d3c6c0d07baa65d92ee1c5e0ad496bc71d1b0c9b.exe
2732	powershell.exe
2572	RegSvcs.exe
2572	RegSvcs.exe
2788	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

39fe44328453edb4688201f0d3c6c0d07baa65d92ee1c5e0ad496bc71d1b0c9b.exeRegSvcs.exepowershell.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	2416	39fe44328453edb4688201f0d3c6c0d07baa65d92ee1c5e0ad496bc71d1b0c9b.exe
Token: SeDebugPrivilege	2572	RegSvcs.exe
Token: SeDebugPrivilege	2732	powershell.exe
Token: SeDebugPrivilege	2788	powershell.exe

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

39fe44328453edb4688201f0d3c6c0d07baa65d92ee1c5e0ad496bc71d1b0c9b.exe

description	pid	process	target process
PID 2416 wrote to memory of 2732	2416	39fe44328453edb4688201f0d3c6c0d07baa65d92ee1c5e0ad496bc71d1b0c9b.exe	powershell.exe
PID 2416 wrote to memory of 2732	2416	39fe44328453edb4688201f0d3c6c0d07baa65d92ee1c5e0ad496bc71d1b0c9b.exe	powershell.exe
PID 2416 wrote to memory of 2732	2416	39fe44328453edb4688201f0d3c6c0d07baa65d92ee1c5e0ad496bc71d1b0c9b.exe	powershell.exe
PID 2416 wrote to memory of 2732	2416	39fe44328453edb4688201f0d3c6c0d07baa65d92ee1c5e0ad496bc71d1b0c9b.exe	powershell.exe
PID 2416 wrote to memory of 2788	2416	39fe44328453edb4688201f0d3c6c0d07baa65d92ee1c5e0ad496bc71d1b0c9b.exe	powershell.exe
PID 2416 wrote to memory of 2788	2416	39fe44328453edb4688201f0d3c6c0d07baa65d92ee1c5e0ad496bc71d1b0c9b.exe	powershell.exe
PID 2416 wrote to memory of 2788	2416	39fe44328453edb4688201f0d3c6c0d07baa65d92ee1c5e0ad496bc71d1b0c9b.exe	powershell.exe
PID 2416 wrote to memory of 2788	2416	39fe44328453edb4688201f0d3c6c0d07baa65d92ee1c5e0ad496bc71d1b0c9b.exe	powershell.exe
PID 2416 wrote to memory of 2300	2416	39fe44328453edb4688201f0d3c6c0d07baa65d92ee1c5e0ad496bc71d1b0c9b.exe	schtasks.exe
PID 2416 wrote to memory of 2300	2416	39fe44328453edb4688201f0d3c6c0d07baa65d92ee1c5e0ad496bc71d1b0c9b.exe	schtasks.exe
PID 2416 wrote to memory of 2300	2416	39fe44328453edb4688201f0d3c6c0d07baa65d92ee1c5e0ad496bc71d1b0c9b.exe	schtasks.exe
PID 2416 wrote to memory of 2300	2416	39fe44328453edb4688201f0d3c6c0d07baa65d92ee1c5e0ad496bc71d1b0c9b.exe	schtasks.exe
PID 2416 wrote to memory of 2572	2416	39fe44328453edb4688201f0d3c6c0d07baa65d92ee1c5e0ad496bc71d1b0c9b.exe	RegSvcs.exe
PID 2416 wrote to memory of 2572	2416	39fe44328453edb4688201f0d3c6c0d07baa65d92ee1c5e0ad496bc71d1b0c9b.exe	RegSvcs.exe
PID 2416 wrote to memory of 2572	2416	39fe44328453edb4688201f0d3c6c0d07baa65d92ee1c5e0ad496bc71d1b0c9b.exe	RegSvcs.exe
PID 2416 wrote to memory of 2572	2416	39fe44328453edb4688201f0d3c6c0d07baa65d92ee1c5e0ad496bc71d1b0c9b.exe	RegSvcs.exe
PID 2416 wrote to memory of 2572	2416	39fe44328453edb4688201f0d3c6c0d07baa65d92ee1c5e0ad496bc71d1b0c9b.exe	RegSvcs.exe
PID 2416 wrote to memory of 2572	2416	39fe44328453edb4688201f0d3c6c0d07baa65d92ee1c5e0ad496bc71d1b0c9b.exe	RegSvcs.exe
PID 2416 wrote to memory of 2572	2416	39fe44328453edb4688201f0d3c6c0d07baa65d92ee1c5e0ad496bc71d1b0c9b.exe	RegSvcs.exe
PID 2416 wrote to memory of 2572	2416	39fe44328453edb4688201f0d3c6c0d07baa65d92ee1c5e0ad496bc71d1b0c9b.exe	RegSvcs.exe
PID 2416 wrote to memory of 2572	2416	39fe44328453edb4688201f0d3c6c0d07baa65d92ee1c5e0ad496bc71d1b0c9b.exe	RegSvcs.exe
PID 2416 wrote to memory of 2572	2416	39fe44328453edb4688201f0d3c6c0d07baa65d92ee1c5e0ad496bc71d1b0c9b.exe	RegSvcs.exe
PID 2416 wrote to memory of 2572	2416	39fe44328453edb4688201f0d3c6c0d07baa65d92ee1c5e0ad496bc71d1b0c9b.exe	RegSvcs.exe
PID 2416 wrote to memory of 2572	2416	39fe44328453edb4688201f0d3c6c0d07baa65d92ee1c5e0ad496bc71d1b0c9b.exe	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\39fe44328453edb4688201f0d3c6c0d07baa65d92ee1c5e0ad496bc71d1b0c9b.exe
"C:\Users\Admin\AppData\Local\Temp\39fe44328453edb4688201f0d3c6c0d07baa65d92ee1c5e0ad496bc71d1b0c9b.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2416

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\39fe44328453edb4688201f0d3c6c0d07baa65d92ee1c5e0ad496bc71d1b0c9b.exe"
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2732

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\waNwgSaPPjkOka.exe"
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2788

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\waNwgSaPPjkOka" /XML "C:\Users\Admin\AppData\Local\Temp\tmp71E5.tmp"
2⤵
- Creates scheduled task(s)
PID:2300

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2572

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

Scheduled Task/Job

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp71E5.tmp

Filesize
1KB

MD5
eb03b96af7afa3e8ad4b3ca274e4eb49

SHA1
1404ffd65378817edefbbe998f17d8c2a8a6570d

SHA256
75789ef5cc19ea19143a9026686474c5394c4195718e32a6e4577e1e6e6be2f2

SHA512
6f7c51e5d92bea699f47497ff6778666e000f52d041dae06e95c6e5e391abdccbf7127d6bdc4ecdc754f859dba82f537d8b72479864a903ed238f5f904757799

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
92afede996df473e379e5155974d1374

SHA1
c6b9ad61a4f6fc72d982edcde395938baaa3756e

SHA256
635dc7b8e9b0344342fa0cab3bb682558c959b5333f82b1e6f4e94c392027822

SHA512
354a6175d8416939ccc594cd882b1561e04b7da53c229ef342bc1c85210151d3e962ec48a2cccaed6f79829ac987a161a01e7e2ad0f3032d617c307d5bef6e9a

Download Submit
memory/2416-31-0x00000000742E0000-0x00000000749CE000-memory.dmp

Filesize
6.9MB

Download
memory/2416-1-0x0000000000F30000-0x0000000000FDA000-memory.dmp

Filesize
680KB

Download
memory/2416-2-0x00000000742E0000-0x00000000749CE000-memory.dmp

Filesize
6.9MB

Download
memory/2416-3-0x0000000000540000-0x000000000055A000-memory.dmp

Filesize
104KB

Download
memory/2416-4-0x00000000004A0000-0x00000000004B0000-memory.dmp

Filesize
64KB

Download
memory/2416-5-0x00000000052D0000-0x0000000005354000-memory.dmp

Filesize
528KB

Download
memory/2416-0-0x00000000742EE000-0x00000000742EF000-memory.dmp

Filesize
4KB

Download
memory/2416-30-0x00000000742EE000-0x00000000742EF000-memory.dmp

Filesize
4KB

Download
memory/2572-18-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2572-28-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2572-27-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2572-26-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2572-24-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2572-22-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2572-20-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2572-29-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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